correction vertical mixing description
There are some little inconsistencies in the manual for the RIC and TKE equations in the manual: RIC: 9.1.2
- Avt & Avm are exchanged
TKE:9.1.3
- In NEMO as in Blanke& Delecluse 1993 there are only 2 cases for the Prandtl number
- nn_mxl=3: lepsilon and lk are switch in the definition